45000220220 has 48 divisors (see below), whose sum is σ = 94824898560. Its totient is φ = 17938399296.

The previous prime is 45000220219. The next prime is 45000220241. The reversal of 45000220220 is 2202200054.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8264819 + ... + 8270261.

It is an arithmetic number, because the mean of its divisors is an integer number (1975518720).

Almost surely, 2^45000220220 is an apocalyptic number.

It is an amenable number.

45000220220 is an abundant number, since it is smaller than the sum of its proper divisors (49824678340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45000220220 is a wasteful number, since it uses less digits than its factorization.

45000220220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6794 (or 6792 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

Adding to 45000220220 its reverse (2202200054), we get a palindrome (47202420274).

The spelling of 45000220220 in words is "forty-five billion, two hundred twenty thousand, two hundred twenty".